LAS VEGAS — When Mattel lets Detroit go no-holds-barred open-source on our favorite childhood racers, it's even more of a trip than the hologram Scion we spaced out with earlier. Checking out these full-size Hot Wheels in person is a bit of like sliding into the rabbit hole, Alice in Wonderland-style: The new supertoys are about as whimsically cartoonish as anything you'll find on the SEMA showroom floor.

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The Twin Mill above is based on a 1968 Ira Gilford design, and was commissioned for the company's 30th anniversary in 1998. Dual supercharged big-block GM Performance Products V8s pump out roughly 1400 hp, and this fully operational racer lays power down via HW Sixty-Eight wheels and Toyo tires. This bad boy was repainted for the 2007 SEMA show in PPG Hot Wheels Spectraflame Anti-Freeze #6 paint, and its over-the-top proportion makes almost anything at SEMA look tame by comparison.

Boasting a cab-forward design before it was fashionable, the original Deora was part of the first Hot Wheels line in 1968 and was based on a customized economy pickup, the 1964 Dodge A-100. A full-sized replica, Deora II, was built in 2003, and its bubble canopy and twin-surfboard toting midsection inspired yet another palm-sized toy that still adds a touch of whimsy to the Hot Wheels catalogue.

Hot Wheels designer Phil Riehlman dreamed up What a Drag in 1998, and microcar collector Bruce Weiner commissioned this full-sized version in 2005. An oxymoronic merging of the Isetta—BMW's answer to post-World War II necessity—and a blown Hemi V8, What a Drag turns a humble microcar into a drag racer that can spit flames four feet on either side; think Monster Garage meets The Incredible Shrinking Woman. —Basem Wasef